Gasoline burst into flames Thursday morning at Mac's Quick Stop in St. Albans seriously injuring one man.Fire officials say a worker with Champlain Oil Corporation. more commonly known as COCO, was in a pit next to the gas pumps cutting away parts of gasoline storage tanks that are being replaced.According to a news release from Fire Chief Gary Taylor a spark ignited gas fumes in the pit causing the workers clothes to catch on fire.A witness told fire fighters a plume of fire shot up out of the pit.The fire was extinguished with a dry chemical fire extinguisher before fire fighters arrived.The injured man was taken to Northwest Medical Center.